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metaxa 2: improved identification and taxonomic classification of small and large subunit rRNA in metagenomic data

Bengtsson‐Palme, Johan, Hartmann, Martin, Eriksson, Karl Martin, Pal, Chandan, Thorell, Kaisa, Larsson, Dan Göran Joakim, Nilsson, Rolf Henrik·2015·Molecular Ecology Resources

Abstract

The ribosomal rRNA genes are widely used as genetic markers for taxonomic identification of microbes. Particularly the small subunit (SSU; 16S/18S) rRNA gene is frequently used for species‐ or genus‐level identification, but also the large subunit (LSU; 23S/28S) rRNA gene is employed in taxonomic assignment. The metaxa software tool is a popular utility for extracting partial rRNA sequences from large sequencing data sets and assigning them to an archaeal, bacterial, nuclear eukaryote, mitochondrial or chloroplast origin. This study describes a comprehensive update to metaxa – metaxa 2 – that extends the capabilities of the tool, introducing support for the LSU rRNA gene, a greatly improved classifier allowing classification down to genus or species level, as well as enhanced support for short‐read (100 bp) and paired‐end sequences, among other changes. The performance of metaxa 2 was compared to other commonly used taxonomic classifiers, showing that metaxa 2 often outperforms previous methods in terms of making correct predictions while maintaining a low misclassification rate. metaxa 2 is freely available from http://microbiology.se/software/metaxa2/.

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Metadata

Authors
Bengtsson‐Palme, J., Hartmann, M., Eriksson, K. M., Pal, C., Thorell, K., Larsson, D. G. J., & Nilsson, R. H.
Venue
Molecular Ecology Resources
Publisher
Wiley
Published
2015-03-23
Volume
15
Issue
6
Pages
1403-1414
ISSN
  • 1755-098X (ISSN-L)
  • 1755-0998
OpenAlex
W2137107630
Cited by
459
References
5
FWCI
12.35
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: metaxa 2: improved identification and taxonomic classification of small and large subunit rRNA in metagenomic data. https://app.cochat.ai/papers/10.1111/1755-0998.12399
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Bengtsson‐Palme, J., Hartmann, M., Eriksson, K. M., Pal, C., Thorell, K., Larsson, D. G. J., & Nilsson, R. H. (2015). metaxa 2: improved identification and taxonomic classification of small and large subunit rRNA in metagenomic data. Molecular Ecology Resources. https://doi.org/10.1111/1755-0998.12399

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